Modify electrolevel 2 pumps

W

Will Albers

New member
Nov 6, 2017
180
0
0
Im the new owner of a 78 coach that has a few wrinkles to work out. :(

First up is the leveling system. I believe a pump is shot. It wont create pressure even though the piston is moving freely and the bore looks great. I
swapped the heads and no change.

Finding a used one is pricey, and questionable to the length of time it will last. I'm curious if i can retrofit Viairs into it.

A couple of questions:

1) What is the function of the exhaust solenoid on the head of the pump? One harness reads 1 volt while pumping, and 12 when releasing air. The other
reads 8v continuously, so there appears to be an issue there. Are these run off of the auto levelers?
2) The two center valves appear to really take care of the pressure release, so if those valves release pressure, why the exhaust valve on the
compressor?
 
Will,

It was good to meet you, and things went by so fast that I forgot to welcome you to the group, family, cult, asylum.....

We got you home, and now things can get real interesting. Oh, and Fun - by the way.

By getting here, you have just collected a great big bunch of brand new old friends. You may think that my helpfulness is an outlier, but in this
group, it is the norm. The only other community that I know of that is like this it the watermen of my world. Be aware that most of the people here
have an agenda. That agenda is to see that you and the family get to enjoy your coach as much as we all do enjoy ours .

Something you need to do soon, build a sigfile. Go to / and scroll down. You will find the place to fill it in.
We do like a real name, so that is covered, but you need to do a short bit about the coach, because there are differences that matter, like not all
78s have EL2 and important mods should be mentioned. Now, location is important, because so may choose to help (like the guy you met yesterday) and
it helps to know if you are in striking range. The half of the group that gets this as E-mail does not get to see the header where yours says
"Belleville".

Now, there is something else that I missed yesterday. As this community is so much like that of the watermen, I have taken to welcoming new owners
here much as a new vessel or owner is welcomed there. So,

May the Good Lord bless this coach and all those that set forth within her.

Welcome Will

Matt
--
Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan
OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Twixt A2 and Detroit
 
There is a good write up in the 77-78 supplement manual.

> Im the new owner of a 78 coach that has a few wrinkles to work out. :(
>
> First up is the leveling system. I believe a pump is shot. It wont create pressure even though the piston is moving freely and the bore looks
> great. I swapped the heads and no change.
>
> Finding a used one is pricey, and questionable to the length of time it will last. I'm curious if i can retrofit Viairs into it.
>
> A couple of questions:
>
> 1) What is the function of the exhaust solenoid on the head of the pump? One harness reads 1 volt while pumping, and 12 when releasing air. The
> other reads 8v continuously, so there appears to be an issue there. Are these run off of the auto levelers?
> 2) The two center valves appear to really take care of the pressure release, so if those valves release pressure, why the exhaust valve on the
> compressor?

--
C. Boyd
76 Crestmont
East Tennessee
 
On Mon, Nov 6, 2017 at 7:02 PM Charles Boyd
wrote:

> There is a good write up in the 77-78 supplement manual.
>
And read here
http://www.gmcws.org/Tech/dsimmons/air_suspension/air-suspension-system.html

>
>

> > Im the new owner of a 78 coach that has a few wrinkles to work out. :(
> >
> > First up is the leveling system. I believe a pump is shot. It wont
> create pressure even though the piston is moving freely and the bore looks
> > great. I swapped the heads and no change.
> >
> > Finding a used one is pricey, and questionable to the length of time it
> will last. I'm curious if i can retrofit Viairs into it.
> >
> > A couple of questions:
> >
> > 1) What is the function of the exhaust solenoid on the head of the pump?
> One harness reads 1 volt while pumping, and 12 when releasing air. The
> > other reads 8v continuously, so there appears to be an issue there. Are
> these run off of the auto levelers?
> > 2) The two center valves appear to really take care of the pressure
> release, so if those valves release pressure, why the exhaust valve on the
> > compressor?
>
>
> --
> C. Boyd
> 76 Crestmont
> East Tennessee
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://bdub.net/gmcmotorhome.info/
Alternator Protection Cable
http://bdub.net/gmcmotorhome.info/APC.html
 
The valves on the compressors are the LOWER valves and are controlled by the sensors in the wheel wells. It is possible to replace the compressors
with another type, but you will have to obtain and plumb in separate exhaust valves. Also the air dryer is incorporated in the compressor assemblies,
so a filter/dryer should be provided.
--
John Shutzbaugh, Vacaville, CA, ncserv;
77 Eleganza, bought it new, can't blame PO, and
78 Buskirk stretch, "What were we thinking?"
 
Thank you John. Are the level sensors variable voltage, or a simple 12v
switch? as one side is a constant 8v regardless of the inflate/deflate
switch position. The other is 1v on raise, and 12v on deflate,

I'm thinking of a single larger VIAIR with a tank as i have one from my 4x4
days.

On Tue, Nov 7, 2017 at 10:40 AM, John Shutzbaugh
wrote:

> The valves on the compressors are the LOWER valves and are controlled by
> the sensors in the wheel wells. It is possible to replace the compressors
> with another type, but you will have to obtain and plumb in separate
> exhaust valves. Also the air dryer is incorporated in the compressor
> assemblies,
> so a filter/dryer should be provided.
> --
> John Shutzbaugh, Vacaville, CA, ncserv;
> 77 Eleganza, bought it new, can't blame PO, and
> 78 Buskirk stretch, "What were we thinking?"
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
 
Comsider this
http://www.gmcmhphotos.com/photos/flor-gmc-27s-in-florence-2c-or/p40827-wireless-air-block-diagram-by-gmces-bryon.html

> Thank you John. Are the level sensors variable voltage, or a simple 12v
> switch? as one side is a constant 8v regardless of the inflate/deflate
> switch position. The other is 1v on raise, and 12v on deflate,
>
> I'm thinking of a single larger VIAIR with a tank as i have one from my 4x4
> days.
>
> On Tue, Nov 7, 2017 at 10:40 AM, John Shutzbaugh

>
> > The valves on the compressors are the LOWER valves and are controlled by
> > the sensors in the wheel wells. It is possible to replace the
> compressors
> > with another type, but you will have to obtain and plumb in separate
> > exhaust valves. Also the air dryer is incorporated in the compressor
> > assemblies,
> > so a filter/dryer should be provided.
> > --
> > John Shutzbaugh, Vacaville, CA, ncserv;
> > 77 Eleganza, bought it new, can't blame PO, and
> > 78 Buskirk stretch, "What were we thinking?"
> >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://bdub.net/gmcmotorhome.info/
Alternator Protection Cable
http://bdub.net/gmcmotorhome.info/APC.html
 
LOVE IT, but the company says that it will not work with a tank, yet GMC
owners are using a tank =) Its awesome for $400 though!

> Comsider this
> http://www.gmcmhphotos.com/photos/flor-gmc-27s-in-florence-2c-or/p40827-
> wireless-air-block-diagram-by-gmces-bryon.html
>
>
>

>
> > Thank you John. Are the level sensors variable voltage, or a simple 12v
> > switch? as one side is a constant 8v regardless of the inflate/deflate
> > switch position. The other is 1v on raise, and 12v on deflate,
> >
> > I'm thinking of a single larger VIAIR with a tank as i have one from my
> 4x4
> > days.
> >
> > On Tue, Nov 7, 2017 at 10:40 AM, John Shutzbaugh

> >
> > > The valves on the compressors are the LOWER valves and are controlled
> by
> > > the sensors in the wheel wells. It is possible to replace the
> > compressors
> > > with another type, but you will have to obtain and plumb in separate
> > > exhaust valves. Also the air dryer is incorporated in the compressor
> > > assemblies,
> > > so a filter/dryer should be provided.
> > > --
> > > John Shutzbaugh, Vacaville, CA, ncserv;
> > > 77 Eleganza, bought it new, can't blame PO, and
> > > 78 Buskirk stretch, "What were we thinking?"
> > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> --
> Gene Fisher -- 74-23,77PB/ore/ca
> “Give a man a fish; you have fed him for today --- give him a URL and
> -------
> http://bdub.net/gmcmotorhome.info/
> Alternator Protection Cable
> http://bdub.net/gmcmotorhome.info/APC.html
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
 
> LOVE IT, but the company says that it will not work with a tank, yet GMC
> owners are using a tank =) Its awesome for $400 though!
>
I am not using tank on my 3 coaches and built my own with 2 pumps. Each
valve you replace will cost you more


> On Tue, Nov 7, 2017 at 11:12 AM, gene Fisher

>
> > Comsider this
> > http://www.gmcmhphotos.com/photos/flor-gmc-27s-in-florence-2c-or/p40827-
> > wireless-air-block-diagram-by-gmces-bryon.html
> >
> >
> >

> >
> > > Thank you John. Are the level sensors variable voltage, or a simple 12v
> > > switch? as one side is a constant 8v regardless of the inflate/deflate
> > > switch position. The other is 1v on raise, and 12v on deflate,
> > >
> > > I'm thinking of a single larger VIAIR with a tank as i have one from my
> > 4x4
> > > days.
> > >
> > > On Tue, Nov 7, 2017 at 10:40 AM, John Shutzbaugh

> > >
> > > > The valves on the compressors are the LOWER valves and are controlled
> > by
> > > > the sensors in the wheel wells. It is possible to replace the
> > > compressors
> > > > with another type, but you will have to obtain and plumb in separate
> > > > exhaust valves. Also the air dryer is incorporated in the compressor
> > > > assemblies,
> > > > so a filter/dryer should be provided.
> > > > --
> > > > John Shutzbaugh, Vacaville, CA, ncserv;
> > > > 77 Eleganza, bought it new, can't blame PO, and
> > > > 78 Buskirk stretch, "What were we thinking?"
> > > >
> > > > _______________________________________________
> > > > GMCnet mailing list
> > > > Unsubscribe or Change List Options:
> > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> > --
> > Gene Fisher -- 74-23,77PB/ore/ca
> > “Give a man a fish; you have fed him for today --- give him a URL and
> > -------
> > http://bdub.net/gmcmotorhome.info/
> > Alternator Protection Cable
> > http://bdub.net/gmcmotorhome.info/APC.html
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://bdub.net/gmcmotorhome.info/
Alternator Protection Cable
http://bdub.net/gmcmotorhome.info/APC.html
 
If you have a late 77 or 78, you should have the EL ll. It has two
compressors, with desiccant dryers, mounted on a metal frame along with
relays and solenoid valves. All connected up with plug in wire harnesses.
Ride height is controlled by a '70's version of electronic ride height
controls. Consists of mechanical linkages connected to shutter wheels with
gaps in the wheel that covers up or uncovers light emitting diodes focused
on photo transistors. When the gap in the shutter wheel allows the light to
shine through, the transistor either opens or closes a 12 volt current that
goes to one of the relays. The relay in turn turns on the compressor and
accompanying solenoid to allow air to be pumped into the correct air bag.
This raises the coach, moves the shutter wheel, and opens the circuit to
the relay, shutting off the compressor. Works opposite to that when
lowering. Another relay and solenoid is actuated, air is bled out of the
bag to lower, that moves the shutter wheel, blocking the light, and opens
the relay. Clear as mud, right.

When some ham fisted, well intentioned, technician has not been in there
mucking about, and the 40 year old electronic circuit boards are working
correctly, the system works really well. Only two air hoses, one left, and
one right. Way fewer leak points.
Jim Hupy
Salem, Or.

>
> > LOVE IT, but the company says that it will not work with a tank, yet GMC
> > owners are using a tank =) Its awesome for $400 though!
> >
> I am not using tank on my 3 coaches and built my own with 2 pumps. Each
> valve you replace will cost you more
>
>
> > On Tue, Nov 7, 2017 at 11:12 AM, gene Fisher

> >
> > > Comsider this
> > > http://www.gmcmhphotos.com/photos/flor-gmc-27s-in-
> florence-2c-or/p40827-
> > > wireless-air-block-diagram-by-gmces-bryon.html
> > >
> > >
> > >

> > >
> > > > Thank you John. Are the level sensors variable voltage, or a simple
> 12v
> > > > switch? as one side is a constant 8v regardless of the
> inflate/deflate
> > > > switch position. The other is 1v on raise, and 12v on deflate,
> > > >
> > > > I'm thinking of a single larger VIAIR with a tank as i have one from
> my
> > > 4x4
> > > > days.
> > > >
> > > > On Tue, Nov 7, 2017 at 10:40 AM, John Shutzbaugh <
> ncserv111>

> > > >
> > > > > The valves on the compressors are the LOWER valves and are
> controlled
> > > by
> > > > > the sensors in the wheel wells. It is possible to replace the
> > > > compressors
> > > > > with another type, but you will have to obtain and plumb in
> separate
> > > > > exhaust valves. Also the air dryer is incorporated in the
> compressor
> > > > > assemblies,
> > > > > so a filter/dryer should be provided.
> > > > > --
> > > > > John Shutzbaugh, Vacaville, CA, ncserv;
> > > > > 77 Eleganza, bought it new, can't blame PO, and
> > > > > 78 Buskirk stretch, "What were we thinking?"
> > > > >
> > > > > _______________________________________________
> > > > > GMCnet mailing list
> > > > > Unsubscribe or Change List Options:
> > > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > > >
> > > > _______________________________________________
> > > > GMCnet mailing list
> > > > Unsubscribe or Change List Options:
> > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > >
> > > --
> > > Gene Fisher -- 74-23,77PB/ore/ca
> > > “Give a man a fish; you have fed him for today --- give him a URL and
> > > -------
> > > http://bdub.net/gmcmotorhome.info/
> > > Alternator Protection Cable
> > > http://bdub.net/gmcmotorhome.info/APC.html
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> --
> Gene Fisher -- 74-23,77PB/ore/ca
> “Give a man a fish; you have fed him for today --- give him a URL and
> -------
> http://bdub.net/gmcmotorhome.info/
> Alternator Protection Cable
> http://bdub.net/gmcmotorhome.info/APC.html
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
 
Gene, can you provide more detail on how you built yours? I have a concept
of a large pump and tank, utilizing solenoids with the stock control
system. I also purchased the wireless system as a totally separate
scenario. I'm not quite sure which I want to use yet. I'm leaning towards
the first

>
> > LOVE IT, but the company says that it will not work with a tank, yet GMC
> > owners are using a tank =) Its awesome for $400 though!
> >
> I am not using tank on my 3 coaches and built my own with 2 pumps. Each
> valve you replace will cost you more
>
>
> > On Tue, Nov 7, 2017 at 11:12 AM, gene Fisher

> >
> > > Comsider this
> > > http://www.gmcmhphotos.com/photos/flor-gmc-27s-in-
> florence-2c-or/p40827-
> > > wireless-air-block-diagram-by-gmces-bryon.html
> > >
> > >
> > >

> > >
> > > > Thank you John. Are the level sensors variable voltage, or a simple
> 12v
> > > > switch? as one side is a constant 8v regardless of the
> inflate/deflate
> > > > switch position. The other is 1v on raise, and 12v on deflate,
> > > >
> > > > I'm thinking of a single larger VIAIR with a tank as i have one from
> my
> > > 4x4
> > > > days.
> > > >
> > > > On Tue, Nov 7, 2017 at 10:40 AM, John Shutzbaugh <
> ncserv111>

> > > >
> > > > > The valves on the compressors are the LOWER valves and are
> controlled
> > > by
> > > > > the sensors in the wheel wells. It is possible to replace the
> > > > compressors
> > > > > with another type, but you will have to obtain and plumb in
> separate
> > > > > exhaust valves. Also the air dryer is incorporated in the
> compressor
> > > > > assemblies,
> > > > > so a filter/dryer should be provided.
> > > > > --
> > > > > John Shutzbaugh, Vacaville, CA, ncserv;
> > > > > 77 Eleganza, bought it new, can't blame PO, and
> > > > > 78 Buskirk stretch, "What were we thinking?"
> > > > >
> > > > > _______________________________________________
> > > > > GMCnet mailing list
> > > > > Unsubscribe or Change List Options:
> > > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > > >
> > > > _______________________________________________
> > > > GMCnet mailing list
> > > > Unsubscribe or Change List Options:
> > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > >
> > > --
> > > Gene Fisher -- 74-23,77PB/ore/ca
> > > “Give a man a fish; you have fed him for today --- give him a URL and
> > > -------
> > > http://bdub.net/gmcmotorhome.info/
> > > Alternator Protection Cable
> > > http://bdub.net/gmcmotorhome.info/APC.html
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> --
> Gene Fisher -- 74-23,77PB/ore/ca
> “Give a man a fish; you have fed him for today --- give him a URL and
> -------
> http://bdub.net/gmcmotorhome.info/
> Alternator Protection Cable
> http://bdub.net/gmcmotorhome.info/APC.html
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
 
> Gene, can you provide more detail on how you built yours? I have a concept
> of a large pump and tank, utilizing solenoids with the stock control
> system. I also purchased the wireless system as a totally separate
> scenario. I'm not quite sure which I want to use yet. I'm leaning towards
> the first


Here are the links
http://bdub.net/gmcmotorhome.info/wireless.html


>

>

> >
> > > LOVE IT, but the company says that it will not work with a tank, yet
> GMC
> > > owners are using a tank =) Its awesome for $400 though!
> > >
> > I am not using tank on my 3 coaches and built my own with 2 pumps. Each
> > valve you replace will cost you more
> >
> >
> > > On Tue, Nov 7, 2017 at 11:12 AM, gene Fisher

> > >
> > > > Comsider this
> > > > http://www.gmcmhphotos.com/photos/flor-gmc-27s-in-
> > florence-2c-or/p40827-
> > > > wireless-air-block-diagram-by-gmces-bryon.html
> > > >
> > > >
> > > >

> > > >
> > > > > Thank you John. Are the level sensors variable voltage, or a simple
> > 12v
> > > > > switch? as one side is a constant 8v regardless of the
> > inflate/deflate
> > > > > switch position. The other is 1v on raise, and 12v on deflate,
> > > > >
> > > > > I'm thinking of a single larger VIAIR with a tank as i have one
> from
> > my
> > > > 4x4
> > > > > days.
> > > > >
> > > > > On Tue, Nov 7, 2017 at 10:40 AM, John Shutzbaugh <
> > ncserv111>

> > > > >
> > > > > > The valves on the compressors are the LOWER valves and are
> > controlled
> > > > by
> > > > > > the sensors in the wheel wells. It is possible to replace the
> > > > > compressors
> > > > > > with another type, but you will have to obtain and plumb in
> > separate
> > > > > > exhaust valves. Also the air dryer is incorporated in the
> > compressor
> > > > > > assemblies,
> > > > > > so a filter/dryer should be provided.
> > > > > > --
> > > > > > John Shutzbaugh, Vacaville, CA, ncserv;
> > > > > > 77 Eleganza, bought it new, can't blame PO, and
> > > > > > 78 Buskirk stretch, "What were we thinking?"
> > > > > >
> > > > > > _______________________________________________
> > > > > > GMCnet mailing list
> > > > > > Unsubscribe or Change List Options:
> > > > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > > > >
> > > > > _______________________________________________
> > > > > GMCnet mailing list
> > > > > Unsubscribe or Change List Options:
> > > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > > >
> > > > --
> > > > Gene Fisher -- 74-23,77PB/ore/ca
> > > > “Give a man a fish; you have fed him for today --- give him a URL and
> > > > -------
> > > > http://bdub.net/gmcmotorhome.info/
> > > > Alternator Protection Cable
> > > > http://bdub.net/gmcmotorhome.info/APC.html
> > > > _______________________________________________
> > > > GMCnet mailing list
> > > > Unsubscribe or Change List Options:
> > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> > --
> > Gene Fisher -- 74-23,77PB/ore/ca
> > “Give a man a fish; you have fed him for today --- give him a URL and
> > -------
> > http://bdub.net/gmcmotorhome.info/
> > Alternator Protection Cable
> > http://bdub.net/gmcmotorhome.info/APC.html
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
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http://bdub.net/gmcmotorhome.info/
Alternator Protection Cable
http://bdub.net/gmcmotorhome.info/APC.html
 
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GMCMI Fall 2026 Rally
Applied GMC

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